Keyspan PR-US2 is a highly versatile presentation remote that enables you to control your presentations and media playback wirelessly. The remote features two modes: Standard mode and Media mode. In Standard mode, you can use the remote to control the slide show, such as advancing slides, going back to previous slides, and using the laser pointer. In Media mode, you can use the remote to control media playback in Windows Media Player, such as playing, pausing, and stopping the media, and adjusting the volume.